linsel, h., & sack, k. (1965). theoretical problems of investment planning. National Planning Institute.
Chicago Style (17th ed.) Citationlinsel, hermann, and kurt sack. Theoretical Problems of Investment Planning. cairo: National Planning Institute, 1965.
MLA (9th ed.) Citationlinsel, hermann, and kurt sack. Theoretical Problems of Investment Planning. National Planning Institute, 1965.
Warning: These citations may not always be 100% accurate.